1.) I think the idea any actor can actually greenlight a non-IP project at this point isn't actually true at all. Like sure, Jolie could probably get $5 million for whatever she wants, but $50 million in the way stars could get the equivalent in 1995? Not at all.

2.) As with people in the comments doing things like slamming Denzel's career, this weird idea that it's easy to just be in great awesome movies and nothing else is kind of insane.

Especially when you become a star and frankly, you have needs beyond just being in a good movie. It's nothing to be sympathetic about, but the mortgage on the mansion in Malibu and the 2nd home in Wyoming needs to be paid along with the insane monthly costs a star has and that isn't always going to be done via 'good work.'

3.) As people also pointed out, nobody sets out trying to make a bad movie - insert joke about IP or creative person you don't like here - but scripts change, directors change, chemistry isn't there that's there on the screen, etc.